FHANDLE_FILEID
if (((FHANDLE_FILEID(faf->faf_handle)->fid_len ==
FHANDLE_FILEID(th)->fid_len)) &&
(memcmp(FHANDLE_FILEID(faf->faf_handle), FHANDLE_FILEID(th),
(FHANDLE_FILEID(th))->fid_len) == 0)) {
KASSERT(FHANDLE_FILEID(fhp)->fid_len == fidsize);
error = VFS_FHTOVP(mp, FHANDLE_FILEID(fhp), LK_EXCLUSIVE, vpp);
FHANDLE_SIZE_FROM_FILEID_SIZE(FHANDLE_FILEID(fh)->fid_len)